1. Adams O, Laskowski D. 1960, April 26. A. R. Foundation and I. I. o. Technology. Lorillard. Bates No. 00300655/0659. Retrieved October 19, 2004, from http://legacy.library.ucsf.edu/tid/dyt61e00
2. Alford E, Jenkins C, Maynor HW, Shockley LL. 1970, February 9. Mainstream and sidestream smoke analysis of checkerboard cigarettes for chlorine compounds by GC and MS. Brown & Williamson. Bates No. 509003114. Retrieved May 26, 2004, from http://legacy.library.ucsf.edu/tid/jtt20f00
3. Klus, H. and Kuhn, H. (1982) Distribution of various tobacco smoke constituents in main and sidestream smoke. Beitrage zur Tabakforschung, 11, pp. 229 - 265.
4. Kohnen, Jodl. 1968, November 25. Z. H. Neuerburg. Danger for nonsmokers by nicotine. R. J. Reynolds. Bates No. 501477569/501477569. Retrieved October 20, 2004, from http://legacy.library.ucsf.edu/tid/frk18c00
5. Kotin, P. and Falk, H. L. (1960) The role and action of environmental agents in the pathogenesis of cancer. II. Cigarette smoke. Cancer, 13, pp. 250 - 262.